CN207741553U - A kind of carbon shirt-circuiting furnace - Google Patents

Abstract

The utility model discloses a kind of carbon shirt-circuiting furnaces, including heating carbon pipe, carbon black bisque, heat preservation insulating layer and furnace shell, carbon black bisque is coated on the outside of heating carbon pipe, heat preservation insulating layer is coated on the outside of carbon black bisque, keeps the temperature and is provided between insulating layer and carbon black bisque for carbon black bisque to be isolated and keeps the temperature the separation sleeve of insulating layer.The utility model is by one for carbon black bisque to be isolated and keeps the temperature the separation sleeve of insulating layer, ensure that will not mutually pollute between carbon black powder and heat preservation insulating materials, steel is set on to 600 degree 800 degree of position, in the case where ensureing the optimization of furnace design, it not only will not accelerate the deterioration of steel bushing because temperature is excessively high, extend the service life of steel bushing.

Description

A kind of carbon shirt-circuiting furnace

Technical field

The utility model is related to sintering cemented carbide apparatus field more particularly to a kind of that carbon black bisque, heat preservation can be isolated is exhausted The carbon shirt-circuiting furnace of edge layer.

Background technology

Carbon shirt-circuiting furnace is the common equipment in sintering cemented carbide field, and the heating temperature of heating carbon pipe generally reaches 2300 degree Left and right, the outside for usually heating carbon pipe are disposed with carbon black bisque that is heat-resisting and taking into account heat preservation and heat preservation insulating layer, carbon black powder There is a weak inductive, heatproof can be with, but heat-insulating property is general.Usually insulation and raising heat insulation effect, the wall liner one in steel stove shell Layer heat preservation insulating materials, then inside install carbon black powder additional.This kind of set-up mode can bring following two problems：

1, it is the carbon black and heat preservation insulating materials meeting dirt mutually of carbon black bisque and heat preservation insulating layer due to adjacent contact position Dye is not easy to subsequent separation and recovery and recycles；

2, the thickness of heat preservation insulating materials is difficult to ensure, too thin not have preferable heat insulation effect, and too thick top heat preservation is exhausted Edge material is easy to peel off, to affect the heat insulation effect of carbon shirt-circuiting furnace.

Utility model content

The utility model aim is to provide a kind of carbon shirt-circuiting furnace that can realize that carbon black bisque, heat preservation insulating layer are mutually isolated, To solve the above problems.

To achieve the above object, the utility model discloses a kind of carbon shirt-circuiting furnace, the carbon shirt-circuiting furnace includes heating carbon pipe, carbon black Bisque, heat preservation insulating layer and furnace shell, the carbon black bisque are coated on the outside of the heating carbon pipe, the heat preservation insulating layer cladding It is provided between the outside of the carbon black bisque, the heat preservation insulating layer and carbon black bisque for carbon black bisque and heat preservation to be isolated The separation sleeve of insulating layer.

Further, the separation sleeve is the steel bushing of cylindrical shape, and the wall surface setting of the steel bushing is in heating carbon pipe heating Afterwards, the temperature of the carbon black bisque is the position at 600 ° -800 °.

Further, nozzle is provided on the steel bushing, the nozzle is removable to be connected with one for sealing the nozzle Cover board, the nozzle is connected to outside and the carbon black bisque of the carbon shirt-circuiting furnace.

Further, the heat preservation insulating layer is aluminium oxide silicic acid cellucotton layer or asbestos board layer.

Further, the isolation carbon pipe for the carbon black bisque to be isolated is socketed on the outside of the heating carbon pipe.

Compared with prior art, the utility model has the advantage of：

1, the utility model between heat preservation insulating layer and carbon black bisque by being arranged one for carbon black bisque and guarantor to be isolated The steel bushing of warm insulating layer, however, it would be possible to the thickness of arbitrary control heat preservation insulating layer and carbon black bisque, from without scrupling fiber Cotton is blocked up and the problem of peeling, so as to optimize the structure of carbon shirt-circuiting furnace, reduce the dosage of carbon black, and then cellucotton can be increased Thickness, improve the heat insulation effect of carbon shirt-circuiting furnace, saved electricity consumption, by steel be set on 600 degree -800 degree position, protecting In the case of the optimization for demonstrate,proving furnace design, the deterioration of steel bushing will not be accelerated because temperature is excessively high, extend the use of steel bushing Service life.

2, by the outside socket isolation carbon pipe in heating carbon pipe, external carbon black bisque has not only been isolated, has heated simultaneously Carbon pipe also can quick-replaceable, be easy to implement different capacity heating carbon pipe quick-replaceable, with adapt to different heating powers and The needs of heating cavity realize multi-use.

Below with reference to accompanying drawings, the utility model is described in further detail.

Description of the drawings

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing In：

Fig. 1 is the structural schematic diagram of carbon shirt-circuiting furnace disclosed in the preferred embodiment in the utility model；

Fig. 2 is the structural schematic diagram of the disclosed test carbon shirt-circuiting furnace of the preferred embodiment in the utility model；

Fig. 3 is the structural schematic diagram of temperature measuring equipment disclosed in the preferred embodiment in the utility model；

Fig. 4 is the structural schematic diagram of the view hole seat of temperature measuring equipment disclosed in the preferred embodiment in the utility model.

Marginal data：

1, carbon pipe is heated；2, carbon black bisque；3, insulating layer is kept the temperature；4, furnace shell；5, steel bushing；6, nozzle；7, cover board；8, it is isolated Carbon pipe；81, stepped hole；9, thermometric carbon pipe；10, carbon pipe mounting seat；11, thermal component；111, cooling fin；12, ball valve；121、 Spanner；13, adapter；14, view hole seat；141, stomata；142, gas outlet；143, lens；144, counterbore；145, sealing ring； 146, end cap；15, infrared radiation thermometer；16, thermometric channel；17, carbon shirt-circuiting furnace is tested；18, temperature measuring equipment.

Specific implementation mode

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.

As Figure 1-Figure 4, the utility model embodiment discloses a kind of carbon shirt-circuiting furnace first, and carbon shirt-circuiting furnace includes heating carbon pipe 1, carbon black bisque 2, heat preservation insulating layer 3 and furnace shell 4, carbon black bisque 2 are coated on the outside of heating carbon pipe 1, and heat preservation insulating layer 3 coats In the outside of carbon black bisque 2, keeps the temperature to be provided between insulating layer 3 and carbon black bisque 2 and insulate for carbon black bisque 2 and heat preservation to be isolated The separation sleeve of layer 3, in the present embodiment, separation sleeve are the steel bushing 5 of cylindrical shape, and the wall surface setting of the steel bushing 5 is in heating carbon Pipe 1 heat after, the temperature of the carbon black bisque 2 be position at 600 ° -800 °.Pass through the setting of steel bushing 5, however, it would be possible to appoint The thickness of meaning control heat preservation insulating layer 3 and carbon black bisque 2, from without scruple cellucotton it is blocked up and the problem of peel off, so as to To optimize the structure of carbon shirt-circuiting furnace, the dosage of carbon black is reduced, and then the thickness of cellucotton can be increased, improve the heat preservation of carbon shirt-circuiting furnace Effect has saved electricity consumption.In the size setting of steel bushing 5, it can then thicken carbon black bisque 2 or other materials greatly very much, cause Design is superfluous, and smaller steel bushing 5 just must endure as higher temperature environment and accelerated deterioration, be tested by practical experience, steel bushing 5 is set It sets at the position that temperature is 600 ° -800 °, higher service life can be reached, while also can guarantee higher economy.

In the present embodiment, be provided with nozzle 6 on steel bushing 5, nozzle 6 is removable be connected with one for sealing nozzle 6 Cover board 7, nozzle 6 is connected to outside and the carbon black bisque 2 of carbon shirt-circuiting furnace, convenient for adding carbon black powder into steel bushing 5.

In the present embodiment, heat preservation insulating layer 3 is aluminium oxide silicic acid cellucotton layer or asbestos board layer, the insulation of this kind of material It is more preferable with heat insulation effect.

In the present embodiment, the outside of relatively thin heating carbon pipe 1 is also socketed thicker isolation carbon pipe 8, to heat carbon pipe 1 When replacing, it is only necessary to draw it out, so as to realize the quick-replaceable of heating carbon pipe 1, to adapt to different heating The needs of power and heating cavity realize multi-use.The outer wall of isolation carbon pipe 8 is provided with stepped hole 81, and the one of thermometric carbon pipe 9 End is plugged in stepped hole 81, meanwhile, if directly opening the stepped hole 81 positioned for thermometric carbon pipe 9 on heating carbon pipe 1, by Belong in heating carbon pipe 1 and directly heat element, trepanning thereon in the case of high temperature exothermic can accelerated deterioration, therefore by the step Hole 81 is opened on isolation carbon pipe 8, that is, has taken into account the quick-replaceable of heating carbon pipe 1, while also having taken into account the use of heating carbon pipe 1 Life problems.

Then, the utility model discloses a kind of setting method of carbon shirt-circuiting furnace separation sleeve, include the following steps：

1）One test carbon shirt-circuiting furnace 17 of setting, test carbon shirt-circuiting furnace 17 include heating carbon pipe 1, carbon black bisque 2, heat preservation from inside to outside Insulating layer 3 and furnace shell 4；

2）Along the multiple temperature measuring equipments 18 of radial grafting of test carbon shirt-circuiting furnace 17, the head of multiple temperature measuring equipments 18 is arranged in charcoal In black bisque 2, and radially outward setting gradually along test carbon shirt-circuiting furnace 17；

3）Start heating carbon pipe 1 to heat, after the temperature inside carbon shirt-circuiting furnace 17 to be tested is stablized, be measured by temperature measuring equipment 18 The temperature of plug-in position determines the radial symmetry gradient distribution of test carbon shirt-circuiting furnace 17 from inside to outside, and then determines homogeneous structure Radial symmetry gradient distribution when carbon shirt-circuiting furnace works；

4）Determine the corresponding optimum working temperature area of the material of separation sleeve；

5）In carbon shirt-circuiting furnace corresponding optimum working temperature area, separation sleeve is set.

In the present embodiment, temperature measuring equipment 18 include thermometric carbon pipe 9, carbon pipe mounting seat 10, thermal component 11, ball valve 12, View hole seat 14 and infrared radiation thermometer 15, during thermometric carbon pipe 9, carbon pipe mounting seat 10, thermal component 11 and view hole seat 14 are both provided with Heart through-hole（Central through hole is interconnected and forms thermometric channel 16）, one end of thermometric carbon pipe 9 is arranged waits in test carbon shirt-circuiting furnace 17 Location is set, and the other end is mounted in carbon pipe mounting seat 10, and one end of thermal component 11 is connect with carbon pipe mounting seat 10, and the other end is logical The adapter 13 for crossing the effect of switching together is connect with ball valve 12, and one end of view hole seat 14 is connect with ball valve 12, and the other end is equipped with Lens 143, infrared radiation thermometer 15 are arranged in the side of lens 143 to be opened in ball valve 12（It is operated by rotary spanner 121）, survey Warm carbon pipe 9, carbon pipe mounting seat 10, thermal component 11, ball valve 12 and view hole seat 14 are interconnected when forming thermometric channel 16, survey Measure the radial symmetry gradient distribution of examination carbon shirt-circuiting furnace 17 from inside to outside.Wherein, thermal component 11 is cylinder aluminum structure, outer wall Its axial direction is provided with multiple cooling fins 111, setting can prevent the high temperature of thermometric carbon pipe 9 to be transmitted on the parts on right side, Scald the operating personnel outside furnace body.The temperature that the temperature measuring equipment 18 is tested in carbon shirt-circuiting furnace 17 in actual application reaches 2000 More degree, thermometric carbon pipe 9, carbon pipe mounting seat 10, thermal component 11, ball valve 12 and are formed by thermometric channel 16 with view hole seat 14 In, since the oxidation of thermometric carbon pipe 9 or the burning of other impurities will produce dirty flue gas, cause infrared radiation thermometer 15 can not The temperature for accurately measuring its core, therefore, it is necessary to periodically be passed through inert gas or nitrogen into thermometric channel 16, thus will be dirty Flue gas discharge, therefore, in the present embodiment, be provided on the side wall of view hole seat 14 connection view hole seat central through hole stomata 141, the flue gas of the inside can be washed away by the argon gas outside connecting or nitrogen, consequently facilitating the accurate survey of infrared radiation thermometer 15 Temperature.During practical application, temperature measuring equipment 18 worked after a period of time, and internal flue gas can be bonded in the interior of lens 143 The thermometric of infrared radiation thermometer 15 is influenced on surface in turn, so, in specific setting, gas outlet 142 tilts and sets stomata 141 It sets, and the central axial lens 143 of the gas outlet 142 is centroclinal, to which the air injected from stomata 141 can rush first The inner surface of brush lens 143 washes away the attachment on surface.Further, clear for the ease of the assembly of lens 143 and periodically It washes, in the present embodiment, the end set of view hole seat 14 has counterbore 144, the bottom surface of counterbore 144 to be provided with sealing ring 145, lens 143 end caps 146 that through-hole is offered by one are pressed in counterbore 144.

The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of carbon shirt-circuiting furnace, which is characterized in that the carbon shirt-circuiting furnace includes heating carbon pipe（1）, carbon black bisque（2）, heat preservation insulating layer （3）And furnace shell（4）, the carbon black bisque（2）It is coated on the heating carbon pipe（1）Outside, the heat preservation insulating layer（3）Cladding In the carbon black bisque（2）Outside, the heat preservation insulating layer（3）With carbon black bisque（2）Between be provided with for carbon black to be isolated Bisque（2）With heat preservation insulating layer（3）Separation sleeve.

2. carbon shirt-circuiting furnace according to claim 1, which is characterized in that the separation sleeve is the steel bushing of cylindrical shape（5）, described Steel bushing（5）Wall surface setting heating carbon pipe（1）After heating, the carbon black bisque（2）Temperature be 600 ° -800 ° at position It sets.

3. carbon shirt-circuiting furnace according to claim 2, which is characterized in that the steel bushing（5）On be provided with nozzle（6）, the pipe Mouthful（6）It is removable to be connected with one for sealing the nozzle（6）Cover board（7）, the nozzle（6）It is connected to the outer of the carbon shirt-circuiting furnace Portion and carbon black bisque（2）.

4. according to any carbon shirt-circuiting furnaces of claim 1-3, which is characterized in that the heat preservation insulating layer（3）For alumina silicon Sour cellucotton layer or asbestos board layer.

5. according to any carbon shirt-circuiting furnaces of claim 1-3, which is characterized in that the heating carbon pipe（1）Outside be socketed with For the carbon black bisque to be isolated（2）Isolation carbon pipe（8）.